Continued... 23. Answer BOTH parts of this question. (a) Which two pieces of experimental evidence can be used to demons
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Continued... 23. Answer BOTH parts of this question. (a) Which two pieces of experimental evidence can be used to demons
Continued... 23. Answer BOTH parts of this question. (a) Which two pieces of experimental evidence can be used to demonstrate that a chiral secondary alkyl halide (R-X) reacts with water to form a secondary alcohol (ROH) via an SN1 reaction? Give clear explanations for both cases. There is no need to draw diagrams. (4 marks) (b) When 2-methylpropene reacts with HBr under ionic conditions, the major product is 2-bromo-2- methylpropane, as shown in Figure Q23(b): HC HBr (CH3)3CBr C= CH, HĆ Figure Q23(b) II Using curly arrows, show the mechanism for this reaction, explaining why the major product is 2- bromo-2- methylpropane rather than an isomer of it. (6 marks)
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